10pc Step Bit and Black Oxide Kit

Milwaukee® Step Drill Bits with JAM-FREE Performance feature a dual-flute design delivering up to 2X faster hole times; up to 4X longer life and up to 50% more holes per battery charge than competitors. Ideal for drilling small and large-diameter holes in steel and plastic; these bits are Optimized for Cordless Drills in High Speed. The Rapid Strike™ tip allows for a fast and accurate start that generates less heat; resulting in longer bit tip life. Black oxide coating also enhances durability; hole quality and bit life. For user convenience and accuracy; each bit has laser-engraved reference marks you can see while drilling. The 3-flat Secure-Grip™ shank ensures a solid connection with the drill chuck. The #9 Step Drill Bit has 2 hole sizes: 7/8'' and 1-1/8''. Jam-Free Performance in high speed with most professional 18 volt cordless drills with lithium-ion battery technology.